Problem 1CYU: Let f(x,y,z)=x2+y(xz)4. Compute f(3,5,2). Problem 2CYU Problem 1E: Let f(x,y)=x23xyy2. Compute f(5,0),f(5,2) and f(a,b). Problem 2E Problem 3E: Let g(x,y,z)=x/(yz). Compute g(1,1),g(0,1) and g(a,b). Problem 4E: Let f(x,y,z)=x2ey2+z2. Compute f(1,1,1) and f(2,3,4). Problem 5E: Let f(x,y)=xy. Show that f(2+h,3)f(2,3)=3h. Problem 6E: Let f(x,y)=xy. Show that f(2,3+k)f(2,3)=2k. Problem 7E: Cost Find a formula C(x,y,z) that gives the cost of material for the closed rectangular box in... Problem 8E: Cost Find a formula C(x,y,z) that gives the cost of material for the rectangular enclosure in Fig.... Problem 9E: Consider the cobb-Douglas production function f(x,y)=20x13y23. Compute f(8,1),f(1,27) and f(8,27).... Problem 10E: Let f(x,y)=10x25y35. Show that f(3a,3b)=3f(a,b). Problem 11E: Present value The present value of A dollars to be paid t years in the future (assuming a 5... Problem 12E: Refer to Example 3. If labor costs $100 per unit and capital costs $200 per unit, express as a... Problem 13E: Tax and Homeowner Exemption The value of residential property for tax purposes is usually much lower... Problem 14E: Tax and Homeowner Exemption Let f(r,v,x) be the real estate tax function of Exercise 13. Determine... Problem 15E: Draw the level curve of height 0,1 and 2 for the function f(x,y)=2xy. Problem 16E: Draw the level curve of height 0,1 and 2 for the function f(x,y)=x2+2y. Problem 17E: Draw the level curve of function f(x,y)=xy containing the point (0,0). Problem 18E: Draw the level curve of function f(x,y)=xy containing the point (12,4). Problem 19E: Find the function f(x,y) that has line y=3x4 as a level curve. Problem 20E: Find the function f(x,y) that has the curve y=2x2 as a level curve. Problem 21E: Suppose that a topographic map is viewed as the graph of a certain function f(x,y). what are the... Problem 22E: Isocost Lines A certain production process uses units of labor and capital. If the quantities of... Problem 23E: Match the graphs of the functions in Exercises 23-26 to the systems of level curves shown in Figs. 8... Problem 24E: Match the graphs of the functions in Exercises 23-26 to the systems of level curves shown in Figs. 8... Problem 25E: Match the graphs of the functions in Exercises 23-26 to the systems of level curves shown in Figs. 8... Problem 26E: Match the graphs of the functions in Exercises 23-26 to the systems of level curves shown in Figs. 8... format_list_bulleted